How do you build a subwoofer speaker?

I want to build a speaker box (vented) but i need the speaker parameters but i dont know how to measure them. Just the diamater. I need the QTS,Qes,Fs,Vas liters,Pmax watts,Diamatercm,Xmaxmm,Dpcm,#ports,Alig… Im using AJ vented Designer

i just bought a Kicker CVR12 for my truck and i want to build a speaker box for it but the manual is too confusing so i was wondering if there was anybody that could give me the specs or tell me where i can find the info i need to build the speaker box...

I have a magnet from a 12 inch subwoofer, but i do not have the speaker itself. I know how to build an enclosure already, but i need to know how to build the actual speaker itself. I was going to try to put a 10 inch speaker on the 12 magnet if possible...

i plan on using this build for quality gaming as well as video editing 1 x Case ( CoolerMaster HAF 932 Full Tower Gaming Case - Black ) 0 x Case Lighting ( None ) 0 x iBUYPOWER Labs - Noise Reduction ( None ) 0 x iBUYPOWER Labs - Internal Expansion ...

I want to build a sound system for my living room (i had a Bose Lifestyle 18 Series 3 system but was unhappy with the sound, especially bass). I already have a receiver which is a 5.1 and has a subwoofer output (it requires a powered sub). im looking...

I'm doing a project where I need the base sounds from a speaker, and I don't have much money to buy a real, expensive one. I probably need to take the box off at the very least, and I might damage the cones as well so I don't want to buy an expensive...

Without shipping it cost $473.00 and with $538.00 if not where can i get similar for less Here are the specs Case= iBUYPOWER Lexa-S AMD Dragon Special Edition Gaming Case Case Lighting= None Noise Reduction = None Internal Expansion= None Processor=...